what are the three main chemicals in tobacco Have you ever thought about a cigarette? The basic elements of a regular cigarette are Tobacco and chemicals: MedlinePlus Medical

The push to eradicate smoking has been especially slow going among poorer Americans

Much musicological work has been done to debunk this binary, although anyone with a passing knowledge of pop music would be able to bear witness to the number of extremely goal-oriented - and brilliant - pop choruses written by musicians of colour - one only has to think of the output of labels like Motown and a writer like Smokey Robinson

It could be developed further into an evidence-based tool for capacity-building purposes which complement existing material on TII

A doctor can use a swab test to find out if you have strep

Available from: National Institute for Health and Care Excellence (NICE)